JP2012182808A5 - - Google Patents

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JP2012182808A5
JP2012182808A5 JP2012095552A JP2012095552A JP2012182808A5 JP 2012182808 A5 JP2012182808 A5 JP 2012182808A5 JP 2012095552 A JP2012095552 A JP 2012095552A JP 2012095552 A JP2012095552 A JP 2012095552A JP 2012182808 A5 JP2012182808 A5 JP 2012182808A5
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constellation
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第１のレイヤ及び第２のレイヤを含む合成レイヤにおいて階層的に変調された第１の通信チャネル及び第２の通信チャネルを受信することと、
前記第１のレイヤを復号化することと、
前記第１のレイヤの復号化の後の直列的な復号化または前記第１のレイヤの復号化と同時の並列的な復号化のうちの少なくとも一方によって前記第２のレイヤを復号化することと
を具備し、
階層的変調コンスタレーションは、第１のコンスタレーション及び第２のコンスタレーションの組み合わせであり、
前記組み合わせは、前記第１のコンスタレーション及び前記第２のコンスタレーションの重み付き重ね合わせであり、
第１の重み及び第２の重みが設定可能であり、
前記第１の重み（α）及び前記第２の重み（β）は、設定可能な制御パラメータ（ε）を通じて設定可能であり、
前記設定可能な制御パラメータは、前記第１の通信チャネルの符号化されたＰ個の情報ビットまたは前記第２の通信チャネルの符号化されたＱ個の情報ビットのうちの少なくとも一方の消失レートを決定する、
無線通信において利用される方法。 Receiving a first communication channel and a second communication channel that are hierarchically modulated in a synthesis layer including a first layer and a second layer;
Decoding the first layer;
Decoding the second layer by at least one of serial decoding after decoding of the first layer or parallel decoding simultaneously with decoding of the first layer; equipped with,
A hierarchical modulation constellation is a combination of a first constellation and a second constellation,
The combination is a weighted superposition of the first constellation and the second constellation;
A first weight and a second weight can be set;
The first weight (α) and the second weight (β) can be set through a settable control parameter (ε),
The configurable control parameter includes an erasure rate of at least one of the P information bits encoded in the first communication channel or the Q information bits encoded in the second communication channel. decide,
A method used in wireless communication. 前記第１のレイヤの後の直列的な復号化は、前記第１のレイヤの復号化の後に軟シンボルをキャンセルすることを含む、請求項１の方法。   The method of claim 1, wherein serial decoding after the first layer comprises canceling soft symbols after decoding the first layer. 前記第１の通信チャネルは、ＡＣＫ（アクナリッジ）またはＮＡＣＫ（非アクナリッジ）のうちの一方である、請求項１の方法。 Wherein the first communication channel, ACK (acknowledge) or NACK one in which one of the (non-acknowledge), The method of claim 1. 前記第２の通信チャネルは、ＣＱＩ（チャネル品質表示）チャネルである、請求項１の方法。 The method of claim 1 , wherein the second communication channel is a CQI (Channel Quality Indication) channel. 階層的に変調された第１の通信チャネル及び第２の通信チャネルの情報ビットの第１のレイヤを復号化するための手段と、
前記第１のレイヤの復号化の後に直列的に第２のレイヤを復号化するための手段と
を具備し、
前記第２のレイヤを復号化することは、前記第１のレイヤにおいて復号化された軟シンボルをキャンセルするための手段を含み、
階層的変調コンスタレーションは、第１のコンスタレーション及び第２のコンスタレーションの組み合わせであり、
前記組み合わせは、前記第１のコンスタレーション及び前記第２のコンスタレーションの重み付き重ね合わせであり、
第１の重み及び第２の重みが設定可能であり、
前記第１の重み（α）及び前記第２の重み（β）は、設定可能な制御パラメータ（ε）を通じて設定可能であり、
前記設定可能な制御パラメータは、前記第１の通信チャネルの符号化されたＰ個の情報ビットまたは前記第２の通信チャネルの符号化されたＱ個の情報ビットのうちの少なくとも一方の消失レートを決定する、
無線通信システムにおいて作動する装置。 Means for decoding a first layer of information bits of the first and second communication channels modulated hierarchically;
Means for decoding a second layer serially after decoding of the first layer; and
Wherein decoding the second layer is seen including a means for canceling the decoded soft symbols in the first layer,
A hierarchical modulation constellation is a combination of a first constellation and a second constellation,
The combination is a weighted superposition of the first constellation and the second constellation;
A first weight and a second weight can be set;
The first weight (α) and the second weight (β) can be set through a settable control parameter (ε),
The configurable control parameter includes an erasure rate of at least one of the P information bits encoded in the first communication channel or the Q information bits encoded in the second communication channel. decide,
A device that operates in a wireless communication system. 階層的に変調された第１のチャネル及び第２の通信チャネルの情報ビットの第１のレイヤを復号化するための手段は、階層的コンスタレーションシンボルのセットについて対数尤度比を計算するための手段を含む、請求項５の装置。 Means for decoding the first layer of information bits of the hierarchically modulated first channel and the second communication channel are for calculating a log likelihood ratio for the set of hierarchical constellation symbols. 6. The apparatus of claim 5 , comprising means. 第１のレイヤの復号化の後に直列的に第２のレイヤを復号化するための手段は、階層的コンスタレーションシンボルのサブセットについて対数尤度比を計算するための手段を含む、請求項５の装置。 It means for decoding the second layer in series after decoding of the first layer, comprises means for computing log likelihood ratios for a subset of the hierarchical constellation symbols of claim 5 apparatus. 前記第１の通信チャネルは、ＡＣＫ（アクナリッジ）チャネルまたはＮＡＣＫ（非アクナリッジ）チャネルのうちの一方である、請求項５の装置。 6. The apparatus of claim 5 , wherein the first communication channel is one of an ACK (acknowledge) channel or a NACK (non-acknowledge) channel. 前記第２の通信チャネルは、ＣＱＩ（チャネル品質表示）チャネルである、請求項５の装置。 6. The apparatus of claim 5 , wherein the second communication channel is a CQI (Channel Quality Indication) channel. 階層的に変調された第１の通信チャネル及び第２の通信チャネルの情報ビットの第１のレイヤを復号化し、前記第１のレイヤの復号化の後に直列的に第２のレイヤを復号化するように構成されたプロセッサと、
前記プロセッサに結合されたメモリと、
を具備し、
前記第２のレイヤを復号化することは、前記第１のレイヤにおいて復号化された軟シンボルをキャンセルするための手段を含み、
階層的変調コンスタレーションは、第１のコンスタレーション及び第２のコンスタレーションの組み合わせであり、
前記組み合わせは、前記第１のコンスタレーション及び前記第２のコンスタレーションの重み付き重ね合わせであり、
第１の重み及び第２の重みが設定可能であり、
前記第１の重み（α）及び前記第２の重み（β）は、設定可能な制御パラメータ（ε）を通じて設定可能であり、
前記設定可能な制御パラメータは、前記第１の通信チャネルの符号化されたＰ個の情報ビットまたは前記第２の通信チャネルの符号化されたＱ個の情報ビットのうちの少なくとも一方の消失レートを決定する、
無線通信環境において作動する電子デバイス。 Decoding the first layer of information bits of the first and second communication channels modulated hierarchically, and decoding the second layer serially after decoding of the first layer A processor configured to:
A memory coupled to the processor;
Comprising
Wherein decoding the second layer is seen including a means for canceling the decoded soft symbols in the first layer,
A hierarchical modulation constellation is a combination of a first constellation and a second constellation,
The combination is a weighted superposition of the first constellation and the second constellation;
A first weight and a second weight can be set;
The first weight (α) and the second weight (β) can be set through a settable control parameter (ε),
The configurable control parameter includes an erasure rate of at least one of the P information bits encoded in the first communication channel or the Q information bits encoded in the second communication channel. decide,
An electronic device that operates in a wireless communication environment. 階層的に変調された第１のチャネル及び第２の通信チャネルの情報ビットの第１のレイヤを復号化することは、階層的コンスタレーションシンボルのセットについて対数尤度比を計算することを含む、請求項１０の電子デバイス。 Decoding the first layer of the hierarchically modulated first channel and second communication channel information bits includes calculating a log likelihood ratio for the set of hierarchical constellation symbols. The electronic device of claim 10 . 第１のレイヤの復号化の後に直列的に第２のレイヤを復号化することは、階層的コンスタレーションシンボルのサブセットについて対数尤度比を計算することを含む、請求項１１の電子デバイス。 The electronic device of claim 11 , wherein decoding the second layer serially after decoding the first layer includes calculating a log likelihood ratio for a subset of the hierarchical constellation symbols. 前記第１の通信チャネルは、ＡＣＫ（アクナリッジ）チャネルまたはＮＡＣＫ（非アクナリッジ）チャネルのうちの一方である、請求項１０の電子デバイス。 11. The electronic device of claim 10 , wherein the first communication channel is one of an ACK (acknowledge) channel or a NACK (non-acknowledge) channel. 少なくとも１つのコンピュータに、第１のレイヤ及び第２のレイヤを含む合成レイヤにおいて階層的に変調された第１の通信チャネル及び第２の通信チャネルを受信させるためのコードと、
少なくとも１つのコンピュータに、前記第１のレイヤを復号化させるためのコードと、
少なくとも１つのコンピュータに、前記第１のレイヤの復号化の後の直列的な復号化または前記第１のレイヤの復号化と同時の並列的な復号化のうちの少なくとも一方によって前記第２のレイヤを復号化させるためのコードと
を具備し、
前記第１のレイヤの復号化の後の直列的な復号化は、前記第１のレイヤの復号化の後に軟シンボルをキャンセルすることを含み、
階層的変調コンスタレーションは、第１のコンスタレーション及び第２のコンスタレーションの組み合わせであり、
前記組み合わせは、前記第１のコンスタレーション及び前記第２のコンスタレーションの重み付き重ね合わせであり、
第１の重み及び第２の重みが設定可能であり、
前記第１の重み（α）及び前記第２の重み（β）は、設定可能な制御パラメータ（ε）を通じて設定可能であり、
前記設定可能な制御パラメータは、前記第１の通信チャネルの符号化されたＰ個の情報ビットまたは前記第２の通信チャネルの符号化されたＱ個の情報ビットのうちの少なくとも一方の消失レートを決定する、
コンピュータプログラム。 Code for causing at least one computer to receive a first communication channel and a second communication channel that are hierarchically modulated in a synthesis layer including a first layer and a second layer;
Code for causing at least one computer to decode the first layer;
The at least one computer may transmit the second layer by at least one of serial decoding after decoding of the first layer or parallel decoding simultaneously with decoding of the first layer. And a code for decrypting
Serial decoding after decoding of the first layer, viewed contains to cancel the soft symbol after the decoding of the first layer,
A hierarchical modulation constellation is a combination of a first constellation and a second constellation,
The combination is a weighted superposition of the first constellation and the second constellation;
A first weight and a second weight can be set;
The first weight (α) and the second weight (β) can be set through a settable control parameter (ε),
The configurable control parameter includes an erasure rate of at least one of the P information bits encoded in the first communication channel or the Q information bits encoded in the second communication channel. decide,
Computer program .
JP2012095552A 2007-06-08 2012-04-19 Hierarchical modulation for communication channels in single-carrier frequency division multiple access Pending JP2012182808A (en)

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